Implement expectation results

src/spectator/expectations/expectation_reporter.cr

@@ -24,5 +24,11 @@ module Spectator::Expectations
       @results << result
       raise ExpectationFailed.new(result) if result.failure? && @raise_on_failure
     end
+
+    # Returns the reported expectation results from the example.
+    # This should be run after the example has finished.
+    def results : ExpectationResults
+      ExpectationResults.new(@results.dup)
+    end
   end
 end

src/spectator/expectations/expectation_results.cr

@@ -1,6 +1,53 @@
 module Spectator::Expectations
+  # Collection of results of expectations from an example.
   class ExpectationResults
-    def initialize(@results : Enumerable(ExpectationResult))
+    include Enumerable(Expectation::Result)
+
+    # Creates the collection.
+    def initialize(@results : Array(Expectation::Result))
+    end
+
+    # Iterates through all expectation results.
+    def each
+      @results.each do |result|
+        yield result
+      end
+    end
+
+    # Returns a collection of only the successful expectation results.
+    def successes : Enumerable(Expectation::Result)
+      @results.select(&.successful?)
+    end
+
+    # Iterates over only the successful expectation results.
+    def each_success
+      @results.each do |result|
+        yield result if result.successful?
+      end
+    end
+
+    # Returns a collection of only the failed expectation results.
+    def failures : Enumerables(Expectation::Result)
+      @results.select(&.failure?)
+    end
+
+    # Iterates over only the failed expectation results.
+    def each_failure
+      @results.each do |result|
+        yield result if result.failure?
+      end
+    end
+
+    # Determines whether the example was successful
+    # based on if all expectations were satisfied.
+    def successful?
+      @results.all?(&.successful?)
+    end
+
+    # Determines whether the example failed
+    # based on if any expectations were not satisfied.
+    def failed?
+      @results.any?(&.failure?)
     end
   end
 end